A device for agitating freshly mixed concrete during placement by mechanical oscillation at a moderately high frequency to assist in […]

A flat, rectangular, reinforced concrete structural member; especially used for floors, roofs, pads, etc.

A power-operated saw used in grooving uncured concrete (to prevent cracking) or in cutting hard concrete slabs.

A machine which compacts a layer of freshly mixed concrete by vibration.

A precast, prestressed, hollow- core concrete plank, usually relatively lightweight; used for floor and roof decking; may carry a structural

A self-propelled machine equipped with a series of rotating blades (or drums) for smoothing and leveling in refinishing old concrete

A porous pipe, fabricated of concrete, used primarily for subsoil drainage.